JPS58140524U - Optical recording and reproducing device - Google Patents
Optical recording and reproducing deviceInfo
- Publication number
- JPS58140524U JPS58140524U JP3462382U JP3462382U JPS58140524U JP S58140524 U JPS58140524 U JP S58140524U JP 3462382 U JP3462382 U JP 3462382U JP 3462382 U JP3462382 U JP 3462382U JP S58140524 U JPS58140524 U JP S58140524U
- Authority
- JP
- Japan
- Prior art keywords
- disk
- reproducing device
- optical recording
- linear motor
- scale
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 title claims description 4
- 238000001514 detection method Methods 0.000 claims 2
- 230000008018 melting Effects 0.000 claims 1
- 238000002844 melting Methods 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 239000010409 thin film Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Optical Head (AREA)
- Moving Of Head For Track Selection And Changing (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図乃至第６図は従来例を説明するためのものであり
、第１図は一部切欠斜視図、第２図は要部の正面図、第
３図は要部の側面図、第４図は要部の模式的平面図、第
５図は第４図の一部の正面図、第６図は出力波形図、第
７図はこの考案の一実施例を示す要部の模式的平面図、
第８図はこの考案の一実施例の出力波形図である。
１：ディスク、２：筐体、４：ディスクモータ、７：光
学ヘッド、８：リニアモータ、８ｈ：エンコーダメイン
スケール、９：インデックススケール、１１：光源、１
３：光検知器。
第１図
５０Figures 1 to 6 are for explaining the conventional example. Figure 1 is a partially cutaway perspective view, Figure 2 is a front view of the main part, Figure 3 is a side view of the main part, and Figure 3 is a side view of the main part. Fig. 4 is a schematic plan view of the main part, Fig. 5 is a front view of a part of Fig. 4, Fig. 6 is an output waveform diagram, and Fig. 7 is a schematic diagram of the main part showing an embodiment of this invention. Plan view,
FIG. 8 is an output waveform diagram of an embodiment of this invention. 1: Disk, 2: Housing, 4: Disk motor, 7: Optical head, 8: Linear motor, 8h: Encoder main scale, 9: Index scale, 11: Light source, 1
3: Photodetector. Figure 1 50
Claims (1)
半径方向へ移動させるためのりニアモータと、これらを
支持する筐体等を備え、上記ディスクとして、レーザー
光を微細なスポット径にして薄膜蒸着金属を溶融するこ
とにより高密度記録が行なわれるディスクを用いるもの
において、リニアモータエンコーダのメインスケール、
インデックススケール、光源及び光検知器を、位置検出
用と終端検出用との２段構造としたことを特徴とする光
記録再生装置。It is equipped with a motor that rotates the disk, a linear motor that moves the optical head in the radial direction of the disk, and a casing that supports them.The disk is made by melting thin film deposited metal using a laser beam with a fine spot diameter. The main scale of the linear motor encoder is
An optical recording/reproducing device characterized in that an index scale, a light source, and a photodetector have a two-stage structure, one for position detection and one for end detection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3462382U JPS58140524U (en) | 1982-03-11 | 1982-03-11 | Optical recording and reproducing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3462382U JPS58140524U (en) | 1982-03-11 | 1982-03-11 | Optical recording and reproducing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58140524U true JPS58140524U (en) | 1983-09-21 |
Family
ID=30046114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3462382U Pending JPS58140524U (en) | 1982-03-11 | 1982-03-11 | Optical recording and reproducing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58140524U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04364274A (en) * | 1991-10-09 | 1992-12-16 | Olympus Optical Co Ltd | Magnetic disk recording and reproducing device |
-
1982
- 1982-03-11 JP JP3462382U patent/JPS58140524U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04364274A (en) * | 1991-10-09 | 1992-12-16 | Olympus Optical Co Ltd | Magnetic disk recording and reproducing device |
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